/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	level: 1
});

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 2.5
	});
	self.speed = -25;
	self.power = 1;
	self.active = true;
	self.update = function () {
		if (self.active) {
			self.y += self.speed;
		}
	};
	self.deactivate = function () {
		self.active = false;
		self.visible = false;
	};
	return self;
});
var Enemy = Container.expand(function (type, level) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.level = level || 1;
	// Set explosive property (1 in 10 chance)
	self.isExplosive = Math.random() < 0.1;
	self.exploded = false;
	var assetId;
	if (self.type === 'fast') {
		assetId = 'enemyBoxFast';
		self.speed = 3 + level * 0.3;
		self.health = 1;
		self.points = 20;
	} else if (self.type === 'tough') {
		assetId = 'enemyBoxTough';
		self.speed = 1 + level * 0.2;
		self.health = 3;
		self.points = 30;
	} else {
		assetId = 'enemyBox';
		self.speed = 2 + level * 0.2;
		self.health = 1;
		self.points = 10;
	}
	var enemyGraphics = self.attachAsset(assetId, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 2.5
	});
	// Visual indicator for explosive enemies
	if (self.isExplosive) {
		enemyGraphics.tint = 0xFF9500; // Orange-yellow tint for explosive enemies
		// Pulsing effect for explosive enemies
		tween(enemyGraphics, {
			alpha: 0.7
		}, {
			duration: 500,
			repeat: -1,
			yoyo: true
		});
	}
	// Add some randomness to movement
	self.moveType = Math.floor(Math.random() * 3);
	self.moveOffset = 0;
	self.moveSpeed = 1 + Math.random() * 2;
	self.startX = 0;
	// Method to create visual explosion effect
	self.createExplosionEffect = function () {
		var explosionAsset = LK.getAsset('explosion', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			alpha: 0.7,
			scale: 0.25
		});
		var explosion = game.addChild(explosionAsset);
		// Animate explosion
		tween(explosion, {
			alpha: 0,
			scaleX: 2.5,
			scaleY: 2.5
		}, {
			duration: 300,
			onComplete: function onComplete() {
				explosion.destroy();
			}
		});
	};
	self.hit = function () {
		LK.getSound('hit').play();
		self.health--;
		if (self.health <= 0) {
			self.explode();
			return true;
		} else {
			// Flash the enemy
			LK.effects.flashObject(self, 0xFFFFFF, 200);
			return false;
		}
	};
	self.explode = function () {
		// Prevent double explosions
		if (self.exploded) {
			return;
		}
		self.exploded = true;
		LK.getSound('explosion').play();
		// Bigger flash effect for explosive enemies
		if (self.isExplosive) {
			LK.effects.flashObject(self, 0xFFFF00, 500);
			// Visual explosion effect
			self.createExplosionEffect();
			// Create explosion that affects nearby enemies
			var explosionRadius = 625; // Explosion radius (increased by 2.5x)
			// Check all enemies for proximity to explosion
			for (var i = 0; i < enemies.length; i++) {
				var otherEnemy = enemies[i];
				// Skip if it's the same enemy or already exploded
				if (otherEnemy === self || otherEnemy.exploded) {
					continue;
				}
				// Calculate distance between enemies
				var dx = otherEnemy.x - self.x;
				var dy = otherEnemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				// If enemy is within explosion radius, destroy it
				if (distance < explosionRadius) {
					// Mark as affected by explosion to avoid score counting
					otherEnemy.destroyedByExplosion = true;
					// Flag for removal in game update loop
					otherEnemy.health = 0;
					// Make it explode, but avoid circular explosions
					if (otherEnemy.isExplosive) {
						otherEnemy.explode();
					}
				}
			}
		} else {
			LK.effects.flashObject(self, 0xFF0000, 300);
		}
		// Sometimes drop a powerup (3% chance - made rarer)
		if (Math.random() < 0.03) {
			var powerUp = new PowerUp();
			powerUp.x = self.x;
			powerUp.y = self.y;
			powerUps.push(powerUp);
			game.addChild(powerUp);
		}
	};
	self.update = function () {
		self.y += self.speed;
		// Side-to-side movement based on moveType
		if (self.moveType === 1) {
			// Sine wave
			self.moveOffset += 0.05;
			self.x = self.startX + Math.sin(self.moveOffset) * 150;
		} else if (self.moveType === 2) {
			// Zigzag
			self.moveOffset += self.moveSpeed * 0.05;
			if (self.moveOffset > 1 || self.moveOffset < -1) {
				self.moveSpeed *= -1;
			}
			self.x += self.moveSpeed * 3;
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerBody = self.attachAsset('playerCharacter', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 2.5
	});
	var playerGun = self.attachAsset('playerGun', {
		anchorX: 0.5,
		anchorY: 0.5,
		y: -75,
		scaleX: 2.5,
		scaleY: 2.5
	});
	self.width = playerBody.width;
	self.height = playerBody.height;
	self.fireCooldown = 0;
	self.fireRate = 10;
	self.powerLevel = 1;
	self.powerUpTimer = 0;
	self.shootBullet = function () {
		if (self.fireCooldown <= 0) {
			LK.getSound('shoot').play();
			// Create center bullet
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y - 40;
			bullets.push(bullet);
			game.addChild(bullet);
			// Always create side bullets for 3-bullet shot
			var bulletLeft = new Bullet();
			bulletLeft.x = self.x - 75;
			bulletLeft.y = self.y - 75;
			bullets.push(bulletLeft);
			game.addChild(bulletLeft);
			var bulletRight = new Bullet();
			bulletRight.x = self.x + 75;
			bulletRight.y = self.y - 75;
			bullets.push(bulletRight);
			game.addChild(bulletRight);
			// Add 2 more outer bullets when powered up (5 total)
			if (self.powerLevel > 1) {
				var bulletFarLeft = new Bullet();
				bulletFarLeft.x = self.x - 150;
				bulletFarLeft.y = self.y - 50;
				bullets.push(bulletFarLeft);
				game.addChild(bulletFarLeft);
				var bulletFarRight = new Bullet();
				bulletFarRight.x = self.x + 150;
				bulletFarRight.y = self.y - 50;
				bullets.push(bulletFarRight);
				game.addChild(bulletFarRight);
			}
			self.fireCooldown = self.fireRate;
		}
	};
	self.activatePowerUp = function () {
		self.powerLevel = 2;
		self.powerUpTimer = 300; // 5 seconds at 60fps
		tween(playerBody, {
			tint: 0x3D9970
		}, {
			duration: 200
		});
	};
	self.update = function () {
		if (self.fireCooldown > 0) {
			self.fireCooldown--;
		}
		// Auto fire
		self.shootBullet();
		// Handle power-up timer
		if (self.powerUpTimer > 0) {
			self.powerUpTimer--;
			if (self.powerUpTimer <= 0) {
				self.powerLevel = 1;
				tween(playerBody, {
					tint: 0xFFFFFF
				}, {
					duration: 200
				});
			}
		}
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.5,
		scaleY: 2.5
	});
	self.speed = 5;
	self.rotation = 0;
	self.update = function () {
		self.y += self.speed;
		self.rotation += 0.1;
		powerUpGraphics.rotation = self.rotation;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x001F3F
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var bullets = [];
var enemies = [];
var powerUps = [];
var level = storage.level || 1;
var spawnCooldown = 60;
var score = 0;
var combo = 0;
var comboTimer = 0;
var gameWidth = 2048;
var gameHeight = 2732;
// Set up the game scene
function setupGame() {
	// Create player
	player = new Player();
	player.x = gameWidth / 2;
	player.y = gameHeight - 300;
	game.addChild(player);
	// Set up UI
	setupUI();
	// Start music
	LK.playMusic('gameMusic', {
		fade: {
			start: 0,
			end: 0.4,
			duration: 1000
		}
	});
}
// Set up UI elements
function setupUI() {
	// Score text
	var scoreText = new Text2('Score: 0', {
		size: 160,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0, 0);
	scoreText.x = 120;
	scoreText.y = 30;
	LK.gui.topLeft.addChild(scoreText);
	// Level text
	var levelText = new Text2('Level: ' + level, {
		size: 160,
		fill: 0xFFFFFF
	});
	levelText.anchor.set(1, 0);
	levelText.x = -30;
	levelText.y = 30;
	LK.gui.topRight.addChild(levelText);
	// Combo text
	var comboText = new Text2('', {
		size: 200,
		fill: 0xFFDC00
	});
	comboText.anchor.set(0.5, 0);
	comboText.y = 150;
	LK.gui.top.addChild(comboText);
	// Update function for UI
	LK.setInterval(function () {
		scoreText.setText('Score: ' + score);
		levelText.setText('Level: ' + level);
		if (combo > 1) {
			comboText.setText('Combo x' + combo + '!');
			comboText.alpha = 1;
		} else {
			comboText.alpha *= 0.95;
		}
	}, 33);
}
// Spawn an enemy
function spawnEnemy() {
	var types = ['normal', 'normal', 'normal', 'fast', 'tough']; // Weighted types
	// Determine how many enemies to spawn at once (1-2 based on level, reduced from 1-3)
	var spawnCount = Math.min(2, 1 + Math.floor(level / 5));
	for (var i = 0; i < spawnCount; i++) {
		var type = types[Math.floor(Math.random() * types.length)];
		var enemy = new Enemy(type, level);
		enemy.x = 150 + Math.random() * (gameWidth - 300);
		enemy.y = -100 - i * 80; // Stagger vertical positions
		enemy.startX = enemy.x; // Store initial X for movement patterns
		enemies.push(enemy);
		game.addChild(enemy);
	}
}
// Update game state
game.update = function () {
	// Handle enemies
	if (spawnCooldown <= 0) {
		spawnEnemy();
		// Spawn rate increases with level, but much slower now
		spawnCooldown = Math.max(45, 90 - level * 2);
	} else {
		spawnCooldown--;
	}
	// Update combo timer
	if (comboTimer > 0) {
		comboTimer--;
		if (comboTimer <= 0) {
			combo = 0;
		}
	}
	// Random wave spawning (approximately every 15-20 seconds)
	if (LK.ticks % 900 === 0 || level > 5 && LK.ticks % 600 === 0) {
		// Create a wave of 3-5 enemies (reduced from 5-8)
		var waveSize = 3 + Math.floor(Math.random() * 3);
		for (var w = 0; w < waveSize; w++) {
			var waveEnemy = new Enemy(Math.random() < 0.3 ? 'fast' : 'normal', level);
			waveEnemy.x = 100 + w * (gameWidth - 200) / waveSize;
			waveEnemy.y = -100 - Math.random() * 200;
			waveEnemy.startX = waveEnemy.x;
			enemies.push(waveEnemy);
			game.addChild(waveEnemy);
		}
	}
	// Process enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		// Check if enemy is past bottom
		if (enemy.y > gameHeight + 100) {
			// Reduce score
			score = Math.max(0, score - 50);
			// Remove enemy
			enemy.destroy();
			enemies.splice(i, 1);
			// Flash screen
			LK.effects.flashScreen(0xFF0000, 300);
			continue;
		}
		// Check bullet collisions
		for (var j = bullets.length - 1; j >= 0; j--) {
			var bullet = bullets[j];
			if (bullet.active && bullet.intersects(enemy)) {
				// Handle hit
				var destroyed = enemy.hit();
				if (destroyed) {
					// Only add score if not destroyed by another explosion
					if (!enemy.destroyedByExplosion) {
						// Add score
						var pointsEarned = enemy.points * (1 + combo * 0.1);
						// Bonus points for explosive enemies
						if (enemy.isExplosive) {
							pointsEarned *= 1.5; // 50% bonus for explosive enemies
						}
						score += Math.floor(pointsEarned);
						// Update combo
						combo++;
						comboTimer = 60; // 1 second
						// Check for level up
						if (score > level * 1000) {
							level++;
							storage.level = level;
							LK.effects.flashScreen(0x00FF00, 500);
						}
						// Update high score
						if (score > storage.highScore) {
							storage.highScore = score;
						}
					}
					// Remove enemy
					enemy.destroy();
					enemies.splice(i, 1);
				}
				// Remove bullet
				bullet.deactivate();
				bullets.splice(j, 1);
				break;
			}
		}
	}
	// Process power-ups
	for (var k = powerUps.length - 1; k >= 0; k--) {
		var powerUp = powerUps[k];
		// Check if power-up is past bottom
		if (powerUp.y > gameHeight + 100) {
			powerUp.destroy();
			powerUps.splice(k, 1);
			continue;
		}
		// Check collision with player
		if (powerUp.intersects(player)) {
			LK.getSound('powerup').play();
			player.activatePowerUp();
			powerUp.destroy();
			powerUps.splice(k, 1);
		}
	}
	// Remove bullets that are off-screen
	for (var l = bullets.length - 1; l >= 0; l--) {
		if (bullets[l].y < -100) {
			bullets[l].destroy();
			bullets.splice(l, 1);
		}
	}
	// Limit max number of bullets and enemies for performance
	while (bullets.length > 50) {
		bullets[0].destroy();
		bullets.shift();
	}
	while (enemies.length > 30) {
		enemies[0].destroy();
		enemies.shift();
	}
};
// Handle input
var isDragging = false;
game.down = function (x, y, obj) {
	isDragging = true;
	player.x = x;
};
game.move = function (x, y, obj) {
	if (isDragging) {
		player.x = x;
		// Keep player within screen bounds
		if (player.x < player.width / 2) {
			player.x = player.width / 2;
		} else if (player.x > gameWidth - player.width / 2) {
			player.x = gameWidth - player.width / 2;
		}
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
// Initialize the game
setupGame();

===================================================================
--- original.js
+++ change.js
@@ -37,8 +37,9 @@
 	self.type = type || 'normal';
 	self.level = level || 1;
 	// Set explosive property (1 in 10 chance)
 	self.isExplosive = Math.random() < 0.1;
+	self.exploded = false;
 	var assetId;
 	if (self.type === 'fast') {
 		assetId = 'enemyBoxFast';
 		self.speed = 3 + level * 0.3;
@@ -79,16 +80,17 @@
 	self.moveSpeed = 1 + Math.random() * 2;
 	self.startX = 0;
 	// Method to create visual explosion effect
 	self.createExplosionEffect = function () {
-		var explosion = game.addChild(LK.getAsset('explosion', {
+		var explosionAsset = LK.getAsset('explosion', {
 			anchorX: 0.5,
 			anchorY: 0.5,
 			x: self.x,
 			y: self.y,
 			alpha: 0.7,
 			scale: 0.25
-		}));
+		});
+		var explosion = game.addChild(explosionAsset);
 		// Animate explosion
 		tween(explosion, {
 			alpha: 0,
 			scaleX: 2.5,
@@ -112,8 +114,13 @@
 			return false;
 		}
 	};
 	self.explode = function () {
+		// Prevent double explosions
+		if (self.exploded) {
+			return;
+		}
+		self.exploded = true;
 		LK.getSound('explosion').play();
 		// Bigger flash effect for explosive enemies
 		if (self.isExplosive) {
 			LK.effects.flashObject(self, 0xFFFF00, 500);
@@ -123,10 +130,10 @@
 			var explosionRadius = 625; // Explosion radius (increased by 2.5x)
 			// Check all enemies for proximity to explosion
 			for (var i = 0; i < enemies.length; i++) {
 				var otherEnemy = enemies[i];
-				// Skip if it's the same enemy
-				if (otherEnemy === self) {
+				// Skip if it's the same enemy or already exploded
+				if (otherEnemy === self || otherEnemy.exploded) {
 					continue;
 				}
 				// Calculate distance between enemies
 				var dx = otherEnemy.x - self.x;
@@ -135,11 +142,14 @@
 				// If enemy is within explosion radius, destroy it
 				if (distance < explosionRadius) {
 					// Mark as affected by explosion to avoid score counting
 					otherEnemy.destroyedByExplosion = true;
-					otherEnemy.explode();
 					// Flag for removal in game update loop
 					otherEnemy.health = 0;
+					// Make it explode, but avoid circular explosions
+					if (otherEnemy.isExplosive) {
+						otherEnemy.explode();
+					}
 				}
 			}
 		} else {
 			LK.effects.flashObject(self, 0xFF0000, 300);